BUY 74LS06N https://www.utsource.net/itm/p/98210.html
HEX INVERTER BUFFERS/DRIVERS WITH OPEN-COLLECTOR HIGH-VOLTAGE OUTPUTS
Description: Quadruple 2-Input Positive-AND Gates
Features:
Inputs Include Clamp Diodes
Outputs Source/Sink 24 mA
Low Power Consumption
High Noise Immunity
High Speed Operation
TTL Compatible
Available in 14-Pin DIP Package
Application:
Logic Gates
Flip-Flops
Counters
Data Selectors/Multiplexers
High Speed Buses
Address Decoders
Clock Generators/Oscillators
(For reference only)